OWC ThunderBay 4 RAID 5

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OWC ThunderBay 4 RAID 5

OWC ThunderBay 4 RAID 5

Regular price $869.99
Sale price $869.99 Regular price $869.99
Unit price

All new design for power and performance

ThunderBay 4, OWC's flagship 4-bay RAID ready powerhouse is bigger and faster than ever before. Now with the unbelievable performance of Thunderbolt 3 — up to 1527MB/s sustained performance1 — it's the ultimate workhorse external storage solution.

Not only faster, the new ThunderBay 4 Thunderbolt 3 is now natively compatible with both 2.5" and 3.5" drives, and with a redesigned chassis, it's even cooler and quieter too.


Edit, experiment, create, design

Designed with performance in mind and engineered to harness the power of Thunderbolt 3, ThunderBay 4 is an incredibly flexible external solution with the throughput to support multi-stream compressed 4K video and other bandwidth-intensive operations.

Highly configurable to perfectly match your performance needs. Use each drive independently, or in the RAID configuration of your choice for the optimal balance of performance and data-redundancy. Get the most out of your storage, take the brakes off your workflow, and do more with a ThunderBay 4.

Performance + redundancy

Experience the most advanced software RAID available with the ThunderBay 4 RAID 5 Edition. Empower your workflow with up to 35% faster RAID 5 performance and exponentially faster rebuild times than comparable hardware RAID arrays.

Out of this world performance & features

SoftRAID combines the advanced RAID modes, superior performance, comprehensive, real-time disk monitoring, e-mail notification, and fast rebuild capabilities that only software RAID can deliver.

Certified and tested

Each ThunderBay 4 undergoes OWC's multi-hour drive "burn-in" performance certification procedure prior to shipping. This ensures your ThunderBay 4 arrives operating properly, ready for demanding use.

Backed by OWC

You can rely on OWC's award-winning U.S.-based support for the ThunderBay 4 solution. Plus, ThunderBay 4 comes with 2 Year OWC Limited Warranty.

4 drive bays plus so much more.

Time-tested cooling

Built on OWC's time-tested enclosure cooling technology, ThunderBay 4 utilizes an open "flow-thru" vented design with an oversized 92 mm, low-turbulence, noise-quieting fan to keep the drives running cool and reliably.


Daisy-chain up to six ThunderBay 4s for massive storage capabilities and increased performance, or connect multiple ThunderBay 4s to multiple Thunderbolt 3 ports to achieve exponential speed capabilities.

Vibration dampened

ThunderBay 4's drive isolating design reduces sonic resonance, and is aided by over-sized, rugged, vibration-absorbing, non-skid feet.

DisplayPort 1.2

Dual Thunderbolt ports let you connect the display of your choice that your computer can support, including 4K displays.

Thunderbolt cable

ThunderBay 4 comes with a 2.0 meter certified OWC Thunderbolt 3 cable, with other lengths from 0.5 meter to 2.0 meters available separately.

Number of Bays 4 x 2.5"/3.5"
Connections 2 x USB Type-C (Thunderbolt 3)
1 x DisplayPort (DisplayPort 1.2)
Compatible Drive Interface SATA, SATA II, SATA III
Form Factor Desktop
RAID Modes RAID 0, 0+1, 1, 4, 5
Operating System Support Windows, macOS/OS X
Power Source AC Adapter
AC Input Power 100 to 230 VAC, 50 / 60 Hz
Operating Temperature 10 to 35°C / 50 to 95°F
Storage Temperature -40 to 65°C / -40 to 149°F
Material of Construction Aluminum
Cooling 1 x Fan
Bridge Chipset Intel DSL6540
Status Monitoring None
Dimensions (W x H x D) 13.5 x 17.8 x 24.4 cm / 5.3 x 7.0 x 9.6"
Weight 3.9 kg / 8.6 lb
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